(bound form) astonished; shocked; startled; terrified; to be struck with fear, as in 惊骇 jīng​hài or 骇异 hài​yì

(bound form) to startle; to shock; to cause a stir or commotion, as in 惊涛骇浪 jīng​tāo​hài​làng or 骇众 hài​zhòng

to hack into a computer system, a loanword from English "hack"